High
Ech0 before 4.4.3 Missing Authorization via dashboard log endpoints
Type: advisorySources: OSV
Ech0 before 4.4.3 fails to enforce administrator authorization on dashboard log endpoints, allowing any authenticated user to access system logs. Attackers with valid user sessions can query GET /api/system/logs and subscribe to SSE and WebSocket log streams to retrieve sensitive operational data including file paths, stack traces, and internal URLs.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-79666
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 18:35 UTC · Revision 1
Source evidence
Ech0 before 4.4.3 Missing Authorization via dashboard log endpoints
core-osv · Original sourcePublished 25 Aug 2026, 11:33 UTC
Ech0 before 4.4.3 fails to enforce administrator authorization on dashboard log endpoints, allowing any authenticated user to access system logs. Attackers with valid user sessions can query GET /api/system/logs and subscribe to SSE and WebSocket log streams to retrieve sensitive operational data including file paths, stack traces, and internal URLs.
osv:CVE-2026-79666
Complete source record
{
"id": "5abc9535ef4d6317f840679dddd0071fda11ef284da19f4046f7dd9589ee94c2",
"url": "https://osv.dev/vulnerability/CVE-2026-79666",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Ech0 before 4.4.3 Missing Authorization via dashboard log endpoints",
"summary": "Ech0 before 4.4.3 fails to enforce administrator authorization on dashboard log endpoints, allowing any authenticated user to access system logs. Attackers with valid user sessions can query GET /api/system/logs and subscribe to SSE and WebSocket log streams to retrieve sensitive operational data including file paths, stack traces, and internal URLs.",
"evidence": "osv:CVE-2026-79666",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-79666",
"aliases": [
"CVE-2026-79666",
"GHSA-cp79-9mwr-wr49",
"GO-2026-5328"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/lin-snow/ech0",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "b934467d26b91c96dc7c937b6a4e47d8d01484eb"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "4.4.3"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"introduced": "0"
},
{
"fixed": "4.4.3"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
"versions": [
"v4.4.2",
"v4.4.1",
"v4.4.0",
"v4.3.7",
"v4.3.6",
"v4.3.5",
"v4.3.4",
"v4.3.2",
"v4.3.1",
"v4.3.0",
"v4.2.8",
"v4.2.7",
"v4.2.5",
"v4.2.4",
"v4.2.3",
"v4.2.2",
"v4.2.1",
"v4.2.0",
"v4.1.9",
"v4.1.8",
"v4.1.7",
"v4.1.6",
"v4.1.5",
"v4.1.4",
"v4.1.3",
"v4.1.2",
"v4.1.1",
"v4.1.0",
"v4.0.2",
"v4.0.0",
"v3.1.4",
"v3.1.3",
"v3.1.2",
"v3.1.1",
"v3.1.0",
"v3.0.9",
"v3.0.8",
"v3.0.7",
"v3.0.6",
"v3.0.5",
"v2.9.2",
"v3.0.4",
"v3.0.3",
"v3.0.2",
"v3.0.1",
"v3.0.0",
"v2.9.10",
"v2.9.9",
"v2.9.8",
"v2.9.7",
"v2.9.6",
"v2.9.5",
"v2.9.4",
"v2.9.3",
"v2.9.1",
"v2.9.0",
"v2.8.10",
"v2.8.9",
"v2.8.8",
"v2.8.7",
"v2.8.6",
"v2.8.5",
"v2.8.4",
"v2.8.3",
"v2.8.2",
"v2.8.1",
"v2.8.0",
"v2.7.10",
"v2.7.9",
"v2.7.8",
"v2.7.7",
"v2.7.6",
"v2.7.5",
"v2.7.4",
"v2.7.3",
"v2.7.2",
"v2.7.1",
"v2.7.0",
"v2.6.10",
"v2.6.9",
"v2.6.8",
"v2.6.7",
"v2.6.6",
"v2.6.5",
"v2.6.4",
"v2.6.3",
"v2.6.2",
"v2.6.1",
"v2.6.0",
"v2.5.10",
"v2.5.9",
"v2.5.8",
"v2.5.7",
"v2.5.6",
"v2.5.5",
"v2.5.4",
"v2.5.3",
"v2.5.1",
"v2.5.0",
"v2.4.9",
"v2.4.8",
"v2.4.7",
"v2.4.6",
"v2.4.5",
"v2.4.4",
"v2.4.3",
"v2.4.2",
"v2.4.1",
"v2.4.0",
"v2.3.9",
"v2.3.8",
"v2.3.7",
"v2.3.6",
"v2.3.5",
"v2.3.4",
"v2.3.3",
"v2.3.2",
"v2.3.1",
"v2.3.0",
"v2.2.9",
"v2.2.8",
"v2.2.7",
"v2.2.6",
"v2.2.5",
"v2.2.4",
"v2.2.3",
"v2.2.2",
"v2.2.1",
"v2.2.0",
"v2.1.10",
"v2.1.9",
"v2.1.8",
"v2.1.7",
"v2.1.6",
"v2.1.5",
"v2.1.4",
"v2.1.3",
"v2.1.2",
"v2.1.1",
"v2.1.0",
"v2.0.0",
"v1.4.7",
"v1.4.6",
"v1.4.5",
"v1.4.4",
"v1.4.3",
"v1.4.2",
"v1.4.1",
"v1.4.0",
"v1.3.9",
"v1.3.8",
"v1.3.7",
"v1.3.6",
"v1.3.5",
"v1.3.4",
"v1.3.3",
"v1.3.2",
"v1.3.1",
"v1.3.0",
"v1.2.9",
"v1.2.8",
"v1.2.7",
"v1.2.6",
"v1.2.5",
"v1.2.4",
"v1.2.3",
"v1.2.2",
"v1.2.1",
"v1.2.0",
"v1.1.1",
"v1.1.0",
"v1.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-79666.json"
}
}
],
"modified": "2026-10-28T02:30:38.286249327Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/79xxx/CVE-2026-79666.json",
"https://github.com/lin-snow/Ech0/security/advisories/GHSA-cp79-9mwr-wr49",
"https://nvd.nist.gov/vuln/detail/CVE-2026-79666",
"https://www.vulncheck.com/advisories/ech0-before-missing-authorization-via-dashboard-log-endpoints"
],
"provider_metadata": {
"cwe_ids": [
"CWE-862"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/79xxx/CVE-2026-79666.json"
}
},
"related_cves": [
{
"value": "CVE-2026-79666",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 505743,
"published_at": "2026-08-25T11:33:28.747+00:00"
}